 <script type="text/javascript">
  function Getheure()
   {
    H = new Date()
    heure   = H.getHours()
    minute  = H.getMinutes()
    seconde = H.getSeconds()
    if (eval(heure) < 10)
     {
      dh = "0"
      uh = heure
     }
    else
     {
      heure += " "
      dh = heure.charAt(0)
      uh = heure.charAt(1)
     }
    if (eval(minute) < 10)
     {
      dm = "0"
      um = minute
     }
    else
     {
      minute += " "
      dm = minute.charAt(0)
      um = minute.charAt(1)
     }
    if (eval(seconde) < 10)
     {
      ds = "0"
      us = seconde
     }
    else
     {
      seconde += " "
      ds = seconde.charAt(0)
      us = seconde.charAt(1)
     }
    document.HD.src = "../images/absences/" + dh + ".gif"
    document.HU.src = "../images/absences/" + uh + ".gif"
    document.MD.src = "../images/absences/" + dm + ".gif"
    document.MU.src = "../images/absences/" + um + ".gif"
    document.SD.src = "../images/absences/" + ds + ".gif"
    document.SU.src = "../images/absences/" + us + ".gif"
    ID = window.setTimeout('Getheure()',1000)
   }

 /**
 * Sets/unsets the pointer and marker in browse mode
 *
 * @param   object    the table row
 * @param   interger  the row number
 * @param   string    the action calling this script (over, out or click)
 * @param   string    the default background color
 * @param   string    the color to use for mouseover
 * @param   string    the color to use for marking a row
 *
 * @return  boolean  whether pointer is set or not
 */
var marked_row = new Array;
function setPointer(theRow, theRowNum, theAction, theDefaultColor, thePointerColor, theMarkColor)
{
    var theCells = null;

    // 1. Pointer and mark feature are disabled or the browser can't get the
    //    row -> exits
    if ((thePointerColor == '' && theMarkColor == '')
        || typeof(theRow.style) == 'undefined') {
        return false;
    }

    // 2. Gets the current row and exits if the browser can't get it
    if (typeof(document.getElementsByTagName) != 'undefined') {
        theCells = theRow.getElementsByTagName('td');
    }
    else if (typeof(theRow.cells) != 'undefined') {
        theCells = theRow.cells;
    }
    else {
        return false;
    }

    // 3. Gets the current color...
    var rowCellsCnt  = theCells.length;
    var domDetect    = null;
    var currentColor = null;
    var newColor     = null;
    // 3.1 ... with DOM compatible browsers except Opera that does not return
    //         valid values with "getAttribute"
    if (typeof(window.opera) == 'undefined'
        && typeof(theCells[0].getAttribute) != 'undefined') {
        currentColor = theCells[0].getAttribute('bgcolor');
        domDetect    = true;
    }
    // 3.2 ... with other browsers
    else {
        currentColor = theCells[0].style.backgroundColor;
        domDetect    = false;
    } // end 3
    
    // 4. Defines the new color
    // 4.1 Current color is the default one
    if (currentColor == ''
        || currentColor.toLowerCase() == theDefaultColor.toLowerCase()) {
        if (theAction == 'over' && thePointerColor != '') {
            newColor              = thePointerColor;
        }
        else if (theAction == 'click' && theMarkColor != '') {
            newColor              = theMarkColor;
            marked_row[theRowNum] = true;
        }
    }
    // 4.1.2 Current color is the pointer one
    else if (currentColor.toLowerCase() == thePointerColor.toLowerCase()
             && (typeof(marked_row[theRowNum]) == 'undefined' || !marked_row[theRowNum])) {
        if (theAction == 'out') {
            newColor              = theDefaultColor;
        }
        else if (theAction == 'click' && theMarkColor != '') {
            newColor              = theMarkColor;
            marked_row[theRowNum] = true;
        }
    }
    // 4.1.3 Current color is the marker one
    else if (currentColor.toLowerCase() == theMarkColor.toLowerCase()) {
        if (theAction == 'click') {
            newColor              = (thePointerColor != '')
                                  ? thePointerColor
                                  : theDefaultColor;
            marked_row[theRowNum] = (typeof(marked_row[theRowNum]) == 'undefined' || !marked_row[theRowNum])
                                  ? true
                                  : null;
        }
    } // end 4

    // 5. Sets the new color...
    //alert (thePointerColor+'\n'+rowCellsCnt+'\n'+newColor) ;
    if (newColor) {
        var c = null;
        // 5.1 ... with DOM compatible browsers except Opera
        if (domDetect) {
            for (c = 0; c < rowCellsCnt; c++) {
                theCells[c].setAttribute('bgcolor', newColor, 0);
            } // end for
        }
        // 5.2 ... with other browsers
        else {
            for (c = 0; c < rowCellsCnt; c++) {
                theCells[c].style.backgroundColor = newColor;
            }
        }
    } // end 5

    return true;
} // end of the 'setPointer()' function

 var click=0
 function change1(s,couleur)
  {
   if (click != 1)
    { s.style.background=couleur }
  }
 function change2(s,couleur)
  {
   if (click != 1)
    { s.style.background=couleur }
  }
 function change3(s,couleur1,couleur2)
  {
   if (click != 1)
    {
     s.style.background=couleur1
     click=1
    }
   else
    {
     s.style.background=couleur2
     click=0
    }
  }
 </script>